Have to - Don't have to

We use "have to" to express

• a necessity

• an obligation

• habits

• routines

We use "don't have to" to express

• actions in progress

• no obligations

• habits

• no necessity

We _____ pay. It's free

• has to

• don't have to

• doesn't have to

My brother _____ watch a science docummentary

• has to

• have to

• don't have to

Dad ____ cook dinner. We're going to a restaurant

• have to

• has to

• doesn't have to

You _____ set the table because dad did it

He ______ study tonight. He has a test tomorrow.

They ____ make their beds now.